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Of the following characteristics, which apply to UDP?
Connection-oriented
Connectionless
Error checking
Low overhead
Best-effort delivery
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Answer / jitendera sinha
Connectionless
Lightweight - No ordering of messages, no tracking connections, etc. It's just fire and forget! This means it's a lot quicker, and the network card / OS have to do very little work to translate the data back from the packet
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Answer / pachicoo
Comparison of UDP and TCP (Transport Layer)
Transmission Control Protocol is a connection-oriented
protocol, which means that it requires handshaking to set
up end-to-end communications. Once a connection is set up
user data may be sent bi-directionally over the connection.
Reliable – TCP manages message acknowledgment,
retransmission and timeout. Many attempts to reliably
deliver the message are made. If it gets lost along the
way, the server will re-request the lost part. In TCP,
there's either no missing data, or, in case of multiple
timeouts, the connection is dropped.
Ordered – if two messages are sent over a connection in
sequence, the first message will reach the receiving
application first. When data segments arrive in the wrong
order, TCP buffers the out-of-order data until all data can
be properly re-ordered and delivered to the application.
Heavyweight – TCP requires three packets to set up a socket
connection, before any user data can be sent. TCP handles
reliability and congestion control.
Streaming – Data is read as a byte stream, no
distinguishing indications are transmitted to signal
message (segment) boundaries.
UDP is a simpler message-based connectionless protocol.
Connectionless protocols do not set up a dedicated end-to-
end connection. Communication is achieved by transmitting
information in one direction from source to destination
without verifying the readiness or state of the receiver.
Unreliable – When a message is sent, it cannot be known if
it will reach its destination; it could get lost along the
way. There is no concept of acknowledgment, retransmission
and timeout.
Not ordered – If two messages are sent to the same
recipient, the order in which they arrive cannot be
predicted.
Lightweight – There is no ordering of messages, no tracking
connections, etc. It is a small transport layer designed on
top of IP.
Datagrams – Packets are sent individually and are checked
for integrity only if they arrive. Packets have definite
boundaries which are honored upon receipt, meaning a read
operation at the receiver socket will yield an entire
message as it was originally sent.
| Is This Answer Correct ? | 0 Yes | 0 No |
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HI friends mine one of the friends have ask a good question i also donot know the answer so i am putting here Please poet the answer no matter it is wright or wrong put yours view here The question is like that when we are going to configure ospf then there are three way 1st way router ospf 10 netwrok 192.168.1.0 0.0.0.255 area 0 network 192.168.2.0 0.0.0.255 area 0 the 2nd way is like that router ospf 10 netwrok 192.168.0.0 0.0.255.255 area 0 but he inrodused the thrird way like router ospf 10 netwrok 192.168.00000001.0 < ?.?.?.?>area 0 router ospf 10 netwrok 192.168.00000010 <?.?.?.?>area 0 now problem is that what should i put the mask in this way so i puted ? sign Please solve this problem i think this is good one plz donot see for answer please contribute any thing i am reqesting Than you Jitendera kuamr sinha
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